Added an editable item delegate. Only Factor plus/minus button are working for now. (based on https://doc.qt.io/qt-6/qtquick-views-example.html as well)

ExpandableItemDelegate.qml

@@ -1,8 +1,7 @@
 import QtQuick
-import QtQuick.Controls.Material
+import QtQuick.Controls
 import QtQuick.Layouts
 
-//! [0]
 Item {
     id: item
 
@@ -95,7 +94,6 @@ Item {
             bottomMargin: 10
         }
         opacity: item.detailsOpacity
-        //! [2]
         Text {
             id: moreInfoTitle
             anchors.top: parent.top
@@ -213,4 +211,4 @@ Item {
             }
         }
     }
-} //! [3]
+}